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GRE/GMAT数学符号和常用的数学表达方式

发布时间:2006-06-22 12:59     点击:
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数学试题中常用的数学符号总结如下:

SYMBOL MEANING

=is equal to

≠ is not equal to

≈ is approximately equal to

> is greater than

≥ is greater than or equal to

< is less than

≤ is less than or equal to

square root

0.8 the repeating decimal 0.888…

r s’t” r degrees s minutes t seconds

∠angle

rightangle

┻ is perpendicular

│x│ absolute value of x

∥ is parallel to

△ triangle

~ is similar to

≌ is congruent to

△x delta x

AB arc AB

π pi(3.1415…)

1.is equal to; is the same as

=

  the result is; yields; gives

2.the sum of x and y; the total of x and y;

x added to y; x increased by y; x+y

x more then y; x greater than y

3.x minus y; x less y;

the difference of x and y; x take away y;

  from x subtract y’ x decreased by y; x-y

  x diminished by y; y is subtracted from x;

  y less than x (note the reversal)

4.x multiplied by y;

xy

the product of x and y;

5. divided by y;

 the quotient of x and y; x y,

y divided into x (note the reversal)

6.A and B are factors of C;
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